tests/compiler-2.impure-cload.lisp

   1 ;;;; -*- lisp -*-
   2
   3 ;;;; This software is part of the SBCL system. See the README file for
   4 ;;;; more information.
   5 ;;;;
   6 ;;;; While most of SBCL is derived from the CMU CL system, the test
   7 ;;;; files (like this one) were written from scratch after the fork
   8 ;;;; from CMU CL.
   9 ;;;;
  10 ;;;; This software is in the public domain and is provided with
  11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
  12 ;;;; more information.
  13
  14 (cl:in-package :cl-user)
  15
  16 ;;;; recognize self-calls
  17 (declaim (optimize speed))
  18
  19 ;;; This is a fopcompilable form that caused FOP stack underflow
  20 ;;; because the PROGN and SETQ each failed to push a NIL onto the stack.
  21 ;;; >>> DO NOT ADD A (WITH-TEST) TO THIS. <<< It must stay fopcompilable.
  22 (let ((a (progn)) ; lp# 1427050
  23       (b (setq))
  24       (b (+ 1 2)))
  25   (defvar *aaa* a)
  26   (defvar *bbb* b))
  27
  28
  29 ;;;; These three forms should be equivalent.
  30
  31 ;;; This used to be a bug in the handling of null-lexenv vs toplevel
  32 ;;; policy: LOCALLY and MACROLET hid the toplevel policy from view.
  33
  34 (locally
  35     (defun foo (n)
  36       (frob 'foo)
  37       (if (<= n 0)
  38           n
  39           (foo (1- n)))))
  40
  41 (progn
  42   (defun bar (n)
  43     (frob 'bar)
  44     (if (<= n 0)
  45         n
  46         (bar (1- n)))))
  47
  48 (macrolet ()
  49   (defun quux (n)
  50     (frob 'quux)
  51     (if (<= n 0)
  52         n
  53         (quux (1- n)))))
  54
  55 (defun frob (x)
  56   (setf (fdefinition x) (constantly 13)))
  57
  58 (defun test ()
  59   (list (foo 1) (bar 1) (quux 1)))
  60
  61 (assert (equal (test) '(0 0 0)))
  62 (assert (equal (test) '(13 13 13))) ; sanity check
  63
  64 ;;; Bug in 1.0.2 and 1.0.3, where the XEP was compiled with the wrong
  65 ;;; policy. (Test-case derived from code posted by alexander.ekart in
  66 ;;; comp.lang.lisp).
  67
  68 (locally
  69     (declare (optimize (safety 0)))
  70   (defun bubblesort (x y)
  71     (declare (type (simple-array fixnum (*)) x)
  72              (type fixnum y)
  73              (optimize (speed 3) (safety 3) (space 0) (debug 0)))
  74     (aref x y)))
  75
  76 (assert-error (bubblesort (make-array 10) 9))
  77
  78 (define-symbol-macro %trash% what)
  79 (locally
  80   ;; just in case we get so smart that INFO becomes foldable
  81   (declare (notinline sb-int:info))
  82   (assert (eq (sb-int:info :variable :kind '%trash%) :macro))
  83   (assert (eq (sb-int:info :variable :macro-expansion '%trash%) 'what))
  84   (assert (sb-int:info :source-location :symbol-macro '%trash%)))
  85 (let ()
  86   (declare (notinline sb-int:info))
  87   (defconstant %trash% 9) ; this is non-toplevel
  88   (multiple-value-bind (val foundp)
  89       (sb-int:info :variable :macro-expansion '%trash%)
  90     (assert (and (not val) (not foundp)))))